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122554233212513 is a prime number
BaseRepresentation
bin11011110111011001100001…
…100010010100111001100001
3121001221001220020012020122112
4123313121201202110321201
5112030412032200300023
61112352345411045105
734546152101234024
oct3367314142247141
9531831806166575
10122554233212513
113605aa5a736783
12118b39b88a0795
13534ca788b57ab
1422399297731bb
15e27db459b478
hex6f7661894e61

122554233212513 has 2 divisors, whose sum is σ = 122554233212514. Its totient is φ = 122554233212512.

The previous prime is 122554233212497. The next prime is 122554233212627. The reversal of 122554233212513 is 315212332455221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117247922859664 + 5306310352849 = 10828108^2 + 2303543^2 .

It is an emirp because it is prime and its reverse (315212332455221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122554233212513 - 24 = 122554233212497 is a prime.

It is not a weakly prime, because it can be changed into another prime (122554233212413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61277116606256 + 61277116606257.

It is an arithmetic number, because the mean of its divisors is an integer number (61277116606257).

Almost surely, 2122554233212513 is an apocalyptic number.

It is an amenable number.

122554233212513 is a deficient number, since it is larger than the sum of its proper divisors (1).

122554233212513 is an equidigital number, since it uses as much as digits as its factorization.

122554233212513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 41.

Adding to 122554233212513 its reverse (315212332455221), we get a palindrome (437766565667734).

The spelling of 122554233212513 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, two hundred thirty-three million, two hundred twelve thousand, five hundred thirteen".